<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>
<body>
    <!-- v-model收集单选框数据
    因为一组单选框只可能选中一个value值，所以直接使用字符串格式收集即可 -->
    <div id="app">
        <h2>请选择你喜欢的城市</h2>
        <input type="radio" value="深圳" v-model="likeCity">深圳
        <input type="radio" value="北京" v-model="likeCity">北京
        <input type="radio" value="珠海" v-model="likeCity">珠海
        <input type="radio" value="武汉" v-model="likeCity">武汉
    </div>
    <script>
        Vue.config.productionTip=false
        const vm=new Vue({
            el:"#app",
            data(){
                return{
                    likeCity:""
                }
            }
        })
    </script>
</body>
</html>